CN1221350C

CN1221350C - Flexible driving device of discharge processing machine

Info

Publication number: CN1221350C
Application number: CN 02106946
Authority: CN
Inventors: 胡龙江
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-06
Filing date: 2002-03-06
Publication date: 2005-10-05
Anticipated expiration: 2022-03-06
Also published as: CN1442263A

Abstract

The present invention relates to a flexible transmission device of a discharge processing machine, which is characterized in that the present invention is matched with a transmission unit to control a transmission chain to drive a processing main shaft; the transmission chain is connected with the processing main shaft and a balance weight block. Then, the smoothness degree of the transmission chain can be improved when the transmission chain shifts. In addition, a chain stop device can control the transmission chain to drive the shifting ranges of the balance weight block and the transmission shaft, and is used for protecting the safety of the processing main shaft and a working object. A machine base of the main shaft has the loosening function and the adjusting function, which leads the processing main shaft to be in the optimal precision position forever.

Description

The flexible gearing of discharging processing machine

(1) technical field

The present invention relates to a kind of discharging processing machine, particularly relate to a kind of flexible gearing of discharging processing machine.

(2) background technique

The processing driving mode of discharging processing machine roughly is divided into two types, a kind of is motor deceleration regulation law, another kind is the oil pressure actuated regulation law, this oil pressure actuated regulation law does not need retarder control transmission on using, so have the servo highly sensitive advantage of transmission, but but need accurate oil hydraulic press, oil pressure switch, and assembly such as motor just can be reached, so have thermomechanical components cost height, consume big, and disappearances such as leakage of oil take place easily, therefore the discharging processing machine of countries in the world mostly adopts motor deceleration tube method for making, to save cost and the generation that reduces rate of fault.Yet, existing motor deceleration tube method for making, all be by reducer gear and the meshing transmission processing of drive chain, but speed reducer is when being driven by motor, be to have back clearance (backlash) to exist between just reversing, pendulum takes place easily to be trembled, thus on interlock, still there is the generation steric restriction so far in this motor deceleration tube method for making, thereby reduce disappearances such as processing speed, transmission sensitivity and reaction velocity and demand urgently improving.

(3) summary of the invention

Therefore, the object of the present invention is to provide a kind of transmission do not have back clearance produce, servo highly sensitive, the flexible gearing of the discharging processing machine that machining spindle and working substance safety is shifted more can be controlled in and can regulate main shaft support position and obtain the optimal process position.

The flexible gearing of discharging processing machine of the present invention, this discharging processing machine comprise that board, that a worktable, is positioned at worktable top is arranged at main shaft, a flexible gearing and the chain locking apparatus on the board; This main shaft has that a main shaft support, that is arranged at this board bottom is placed through in this main shaft support and the machining spindle that can do vertical displacement, and the top of this machining spindle has a slide that drives its vertical displacement; This flexible gearing has a gear unit and the drive chain that can be driven by gear unit that is arranged on this base station, and an end of this drive chain hangs on the slide that is pulled in this machining spindle, and end is then walked around a runner earlier and the balancing weight that is hung in addition; This gear unit has one and is arranged at the motor that speed reducer and on the board is used to drive this speed reducer clockwise and anticlockwise; Be characterized in: this chain locking apparatus has a chain that is arranged on this board to be ended on the protective switch, and to end switch and to end switch once, this chain ends the top that protective switch is positioned at this balancing weight, has a breaker that protrudes out to the drive chain side, when driving, gear unit moves on on this drive chain when fixed point, this balancing weight can press breaker, ends this drive chain in order to drive this gear unit chain; Should upward end switch only, down and be arranged at the upper and lower side of this board, and the position that the slide displacement stroke that is arranged in this machining spindle can press, and has breaker respectively, when this slide is subjected to drive chain to drive displacement and when pressing each breaker, stops the drive chain displacement for this gear unit in order to transmit signal.

For further specifying purpose of the present invention, structural feature and effect, the present invention is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is the front elevation of a discharging processing machine, in order to illustrate of the present utility model one than embodiment.

Fig. 2 is the rear view of this preferred embodiment.

Fig. 3 is a sectional perspective schematic representation of this preferred embodiment, and the group knot of this main shaft support is described.

Fig. 4 is a schematic side view of this preferred embodiment, and flexible gearing and chain locking apparatus are described.

Fig. 5 is another sectional perspective combination schematic representation of this preferred embodiment, and the connection relationship of speed reducer and drive chain is described.

Fig. 6 is the another sectional perspective combination schematic representation of this preferred embodiment, and the connection relationship of balancing weight and drive chain is described.

(5) embodiment

Shown in Fig. 1,2,6, a preferred embodiment of the flexible gearing of discharging processing machine of the present invention, this discharging processing machine includes board 2, a main shaft 3, a flexible gearing 4 and the chain locking apparatus 5 that a worktable 1, is positioned at worktable 1 top.

Shown in Fig. 2,3,4, this main shaft 3 has that a main shaft support 31, that is arranged at these board 2 bottoms and can becomes flexible the position, school is placed through in this main shaft support 31 and the machining spindle 32 that can carry out vertical displacement, and the top of this machining spindle 32 has a slide 321 that drives its vertical displacement.In addition, this main shaft support 31 has a holding part 311 that engages with this board 2 and a machine plate 312 along these holding part 311 shapings, this machine plate 312 is respectively arranged with two lock knot parts and establishes this board 2 bottoms with lock in each corner, in order to finely tune this machining spindle 32, just when off normal takes place slightly in this machining spindle 32, can be directly by this lock knot part unclasp the position, school, make this machining spindle 32 can be maintained at best operative position, and reach the adjustable effect of main shaft 3.

This flexible gearing 4 has a gear unit 41 and that is arranged on this board 2 can be by the drive chain 42 of these gear unit 41 drives, one end of this drive chain 42 hangs on the slide 321 that is pulled in this machining spindle 32, end is then walked around a runner 43 earlier and the balancing weight 44 that is hung in addition, and middle end section and this gear unit 41 connect.

This gear unit 41 has one and is arranged at the motor 412 that speed reducer 411 and on the board 2 drives these speed reducer 2 clockwise and anticlockwise.In addition, this gear unit 41 also can be a hydraulic transmission mechanism, and this speed reducer 411 can be worm and worm gear speed reducer or gear reduction unit.

Shown in Fig. 2,5,6; this chain locking apparatus 5 has a chain that is arranged at these runner 43 sides to be ended and ends switch 52 on the protective switch 51, one and end switch 53 once; it is the tops that are positioned at this balancing weight 44 that this chain ends protective switch 51; has a breaker 511 that protrudes out to drive chain 42 sides; when moving on to a fixed point on speed reducer 411 these drive chains 42 of driving; this balancing weight 44 can press this breaker 511, ends this drive chain 42 displacements in order to drive these speed reducer 411 chains.In addition; should go up only, down and end switch the 52, the 53rd, be positioned at this board 2 upper and lower sides; and the position that the slide 321 displacement strokes that are arranged in this machining spindle 32 can press; and has breaker 521,531 respectively; when this slide 321 is subjected to drive chain 42 to drive displacement and when pressing each breaker 521,531 respectively; give this gear unit 41 and stop this speed reducer 411 driving drive chains 42 displacements in order to transmit signal, so as to the Security in 32 transmissions of protection discharging processing machine machining spindle.

During use, shown in Fig. 2,4, machining spindle 32 of the present invention is to adopt drive chain 42 drives to process in transmission, and this drive chain 42 is the drivings by speed reducer 411, draw this machining spindle 32 to hang up and down, after just speed reducer 411 drives the generation clockwise and anticlockwise by motor 412, draw machining spindle 32, allow machining spindle 32 process along with the displacement up and down of drive chain 42 by hanging of drive chain 42.One end of this drive chain 42 hangs and draws this machining spindle 32, end then hangs and draws this balancing weight 44 in addition, and the weight of this machining spindle 32 is that tens of kilograms are to hundreds of kilograms (deciding on type), so have the drop-down effect of hanging down of centrifugal force, therefore can form machining spindle 32 draws this drive chain 42 naturally and hangs down, and this drive chain 42 can be along with the transmission shaft that hangs down this speed reducer 411, so, when this drive chain 42 if in just changeing under the transmission, and when this speed reducer 411 is gear reduction unit, to not have back clearance between its inner driving cog and motor 412 live axles, so the steric restriction in the transmission can not take place, if during these speed reducer 411 worm and worm gear speed reducers, then the motor drive shaft of its inner transmission worm screw and its quadrature does not have back clearance too, therefore machining spindle is subjected in the transmission displacement quite precisely, in addition, and does not have the start track and adjusts the afoul situation generation of tracks with machining spindle 32; Change when counter-rotating into by just changing when this speed reducer 411 again, can be because the relation of these machining spindle 32 gravity, allow the transmission shaft of speed reducer 411 form automatic tracking situation, make back clearance takes place in its transmission never, so the servo sensitivity of motor 412 transmission speed reducers 411 will significantly improve relatively, so the processing friction is error free, discharging efficiency is relative with precision greatly to be promoted.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention the above embodiment's variation, modification.

Claims

1. the flexible gearing of a discharging processing machine, this discharging processing machine comprise that board, that a worktable, is positioned at the worktable top is arranged at main shaft, a flexible gearing and the chain locking apparatus on the board; This main shaft has that a main shaft support, that is arranged at this board bottom is placed through in this main shaft support and the machining spindle that can do vertical displacement, and the top of this machining spindle has a slide that drives its vertical displacement; This flexible gearing has a gear unit and the drive chain that can be driven by gear unit that is arranged on this base station, and an end of this drive chain hangs on the slide that is pulled in this machining spindle, and end is then walked around a runner earlier and the balancing weight that is hung in addition; This gear unit has one and is arranged at the motor that speed reducer and on the board is used to drive this speed reducer clockwise and anticlockwise; It is characterized in that:

This chain locking apparatus has a chain that is arranged on this board to be ended on the protective switch, and to end switch and to end switch once, this chain ends the top that protective switch is positioned at this balancing weight, has a breaker that protrudes out to the drive chain side, when driving, gear unit moves on on this drive chain when fixed point, this balancing weight can press breaker, ends this drive chain in order to drive this gear unit chain; Should upward end switch only, down and be arranged at the upper and lower side of this board, and the position that the slide displacement stroke that is arranged in this machining spindle can press, and has breaker respectively, when this slide is subjected to drive chain to drive displacement and when pressing each breaker, stops the drive chain displacement for this gear unit in order to transmit signal.

2, the flexible gearing of discharging processing machine as claimed in claim 1, it is characterized in that, this main shaft support has a holding part that engages with this board and a machine plate along this holding part shaping, this machine plate is respectively arranged with two lock knot part locks and establishes this board bottom in each corner, in order to finely tune the position of this machining spindle.